Insert the VBoxGuestAdditions. Org variant of the system, or XFree86 version 4. Org release. During the installation process, the X. Org display server will be set up to use the graphics and mouse drivers which come with the Guest Additions.
After installing the Guest Additions into a fresh installation of a supported Linux distribution or Oracle Solaris system, many unsupported systems will work correctly too, the guest's graphics mode will change to fit the size of the Oracle VM VirtualBox window on the host when it is resized. You can also ask the guest system to switch to a particular resolution by sending a video mode hint using the VBoxManage tool.
Multiple guest monitors are supported in guests using the X. Org server version 1. The layout of the guest screens can be adjusted as needed using the tools which come with the guest operating system.
If you want to understand more about the details of how the X. Org drivers are set up, in particular if you wish to use them in a setting which our installer does not handle correctly, see Section 9. This will replace the drivers with updated versions.
You should reboot after updating the Guest Additions. If you have a version of the Guest Additions installed on your virtual machine and wish to remove it without installing new ones, you can do so by inserting the Guest Additions CD image into the virtual CD-ROM drive as described above.
Then run the installer for the current Guest Additions with the uninstall parameter from the path that the CD image is mounted on in the guest, as follows:. While this will normally work without issues, you may need to do some manual cleanup of the guest in some cases, especially of the XFree86Config or xorg.
In particular, if the Additions version installed or the guest operating system were very old, or if you made your own changes to the Guest Additions setup after you installed them. They come with an installation program that guides you through the setup process. Mount the VBoxGuestAdditions. If the CD-ROM drive on the guest does not get mounted, as seen with some versions of Oracle Solaris 10, run the following command as root:.
Choose 1 and confirm installation of the Guest Additions package. After the installation is complete, log out and log in to X server on your guest, to activate the X11 Guest Additions. The Oracle Solaris Guest Additions can be safely removed by removing the package from the guest. Open a root terminal session and run the following command:. The Guest Additions should be updated by first uninstalling the existing Guest Additions and then installing the new ones. Attempting to install new Guest Additions without removing the existing ones is not possible.
We do not provide an automatic installer at this time. See the readme. With the shared folders feature of Oracle VM VirtualBox, you can access files of your host system from within the guest system. This is similar to how you would use network shares in Windows networks, except that shared folders do not require networking, only the Guest Additions.
Shared folders are supported with Windows or later, Linux, and Oracle Solaris guests. Shared folders physically reside on the host and are then shared with the guest, which uses a special file system driver in the Guest Additions to talk to the host. For Windows guests, shared folders are implemented as a pseudo-network redirector.
To share a host folder with a virtual machine in Oracle VM VirtualBox, you must specify the path of the folder and choose a share name that the guest can use to access the shared folder. This happens on the host.
In the guest you can then use the share name to connect to it and access files. In the window of a running VM, you select Shared Folders from the Devices menu, or click on the folder icon on the status bar in the bottom right corner.
If a VM is not currently running, you can configure shared folders in the virtual machine's Settings dialog. From the command line, you can create shared folders using VBoxManage , as follows:. See Section 8. Transient shares, that are added at runtime and disappear when the VM is powered off. These can be created using a check box in the VirtualBox Manager, or by using the --transient option of the VBoxManage sharedfolder add command.
Shared folders can either be read-write or read-only. This means that the guest is either allowed to both read and write, or just read files on the host. By default, shared folders are read-write. Read-only folders can be created using a check box in the VirtualBox Manager, or with the --readonly option of the VBoxManage sharedfolder add command.
Oracle VM VirtualBox shared folders also support symbolic links, also called symlinks , under the following conditions:. The host operating system must support symlinks. For security reasons the guest OS is not allowed to create symlinks by default. If you trust the guest OS to not abuse the functionality, you can enable creation of symlinks for a shared folder as follows:.
You can mount the shared folder from inside a VM, in the same way as you would mount an ordinary network share:. In a Windows guest, shared folders are browseable and therefore visible in Windows Explorer. By right-clicking on a shared folder and selecting Map Network Drive from the menu that pops up, you can assign a drive letter to that shared folder. While vboxsvr is a fixed name, note that vboxsrv would also work, replace x: with the drive letter that you want to use for the share, and sharename with the share name specified with VBoxManage.
The usual mount rules apply. For example, create this directory first if it does not exist yet. Here is an example of mounting the shared folder for the user jack on Oracle Solaris:. Beyond the standard options supplied by the mount command, the following are available:.
If this option is not set either, then UTF-8 is used. This option specifies the character set used for the shared folder name. This is UTF-8 by default.
The generic mount options, documented in the mount manual page, apply also. For example:. Oracle VM VirtualBox provides the option to mount shared folders automatically. When automatic mounting is enabled for a shared folder, the Guest Additions service will mount it for you automatically. For Linux or Oracle Solaris, a mount point directory can also be specified.
If a drive letter or mount point is not specified, or is in use already, an alternative location is found by the Guest Additions service. The service searches for an alternative location depending on the guest OS, as follows:. Search for a free drive letter, starting at Z:. If all drive letters are assigned, the folder is not mounted.
Linux and Oracle Solaris guests. Access to an automatically mounted shared folder is granted to everyone in a Windows guest, including the guest user. For Linux and Oracle Solaris guests, access is restricted to members of the group vboxsf and the root user. Oracle VM VirtualBox enables you to drag and drop content from the host to the guest, and vice versa. For this to work the latest version of the Guest Additions must be installed on the guest.
Drag and drop transparently allows copying or opening files, directories, and even certain clipboard formats from one end to the other. For example, from the host to the guest or from the guest to the host. You then can perform drag and drop operations between the host and a VM, as it would be a native drag and drop operation on the host OS. At the moment drag and drop is implemented for Windows-based and X-Windows-based systems, both on the host and guest side.
In the context of using drag and drop, the origin of the data is called the source. That is, where the actual data comes from and is specified. The destination specifies where the data from the source should go to. Transferring data from the source to the destination can be done in various ways, such as copying, moving, or linking.
At the moment only copying of data is supported. Moving or linking is not yet implemented. When transferring data from the host to the guest OS, the host in this case is the source, whereas the guest OS is the destination.
However, when transferring data from the guest OS to the host, the guest OS this time became the source and the host is the destination. For security reasons drag and drop can be configured at runtime on a per-VM basis either using the Drag and Drop menu item in the Devices menu of the virtual machine, as shown below, or the VBoxManage command.
Disables the drag and drop feature entirely. This is the default when creating a new VM. Host To Guest. Enables drag and drop operations from the host to the guest only. Guest To Host. Enables drag and drop operations from the guest to the host only. Enables drag and drop operations in both directions: from the host to the guest, and from the guest to the host. Drag and drop support depends on the frontend being used. At the moment, only the VirtualBox Manager frontend provides this functionality.
The modifyvm and controlvm commands enable setting of a VM's current drag and drop mode from the command line. As Oracle VM VirtualBox can run on a variety of host operating systems and also supports a wide range of guests, certain data formats must be translated after transfer. This is so that the destination operating system, which receives the data, is able to handle them in an appropriate manner. When dragging files no data conversion is done in any way.
For example, when transferring a file from a Linux guest to a Windows host the Linux-specific line endings are not converted to Windows line endings. Plain text: From applications such as text editors, internet browsers and terminal windows. Directories: For directories, the same formats apply as for files. If you start Oracle VM VirtualBox with Administrator privileges then drag and drop will not work with Windows Explorer, which runs with regular user privileges by default.
On Linux hosts and guests, programs can query for drag and drop data while the drag operation is still in progress. This currently is not supported. As a workaround, a different file manager, such as Nautilus, can be used instead. This works for all supported host platforms, provided that your host operating system can make use of your accelerated 3D hardware in the first place.
It is only available for certain Windows, Linux, and Oracle Solaris guests. In particular:. OpenGL on Linux requires kernel 2. Ubuntu As a result, the Guest Additions installation program offers Direct3D acceleration as an option that must be explicitly enabled. Also, you must install the Guest Additions in Safe Mode. Because 3D support is still experimental at this time, it is disabled by default and must be manually enabled in the VM settings. Untrusted guest systems should not be allowed to use the 3D acceleration features of Oracle VM VirtualBox, just as untrusted host software should not be allowed to use 3D acceleration.
Drivers for 3D hardware are generally too complex to be made properly secure and any software which is allowed to access them may be able to compromise the operating system running them. In addition, enabling 3D acceleration gives the guest direct access to a large body of additional program code in the Oracle VM VirtualBox host process which it might conceivably be able to use to crash the virtual machine.
The Aero theme is not enabled by default on Windows. See your Windows platform documentation for details of how to enable the Aero theme. This driver acts as a hardware 3D driver and reports to the guest operating system that the virtual hardware is capable of 3D hardware acceleration.
When an application in the guest then requests hardware acceleration through the OpenGL or Direct3D programming interfaces, these are sent to the host through a special communication tunnel implemented by Oracle VM VirtualBox.
The host then performs the requested 3D operation using the host's programming interfaces. With this feature, if an application such as a video player inside your Windows VM uses 2D video overlays to play a movie clip, then Oracle VM VirtualBox will attempt to use your host's video acceleration hardware instead of performing overlay stretching and color conversion in software, which would be slow.
This currently works for Windows, Linux and Mac OS X host platforms, provided that your host operating system can make use of 2D video acceleration in the first place.
Because 2D support is still experimental at this time, it is disabled by default and must be manually enabled in the VM settings. Thanks again! Found the iso image for Guest Additions, but Devices menu nowhere to be found.
I am trying to get Windows XP up to speed. The user manual is no help. Lots of discussion of capabilities, but no specifics on how to implement them. Hoped to use the Virtual Media Manager to access the image, but there was no clear way to put it on the list. Ideas, anyone? Worked like a charm, to coin a phrase. They also come with an installation program that guides you through the setup process.
However, due to the significant differences between Linux distributions, installation may be slightly more complex when compared to Windows. Before installing the Guest Additions, you prepare your guest system for building external kernel modules. This works as described in Section 2. If you suspect that something has gone wrong, check that your guest is set up correctly and run the following command as root:. Insert the VBoxGuestAdditions. Org variant of the system, or XFree86 version 4.
Org release. During the installation process, the X. Org display server will be set up to use the graphics and mouse drivers which come with the Guest Additions. After installing the Guest Additions into a fresh installation of a supported Linux distribution or Oracle Solaris system, many unsupported systems will work correctly too, the guest's graphics mode will change to fit the size of the Oracle VM VirtualBox window on the host when it is resized.
You can also ask the guest system to switch to a particular resolution by sending a video mode hint using the VBoxManage tool. Multiple guest monitors are supported in guests using the X. Org server version 1. The layout of the guest screens can be adjusted as needed using the tools which come with the guest operating system.
If you want to understand more about the details of how the X. Org drivers are set up, in particular if you wish to use them in a setting which our installer does not handle correctly, see Guest Graphics and Mouse Driver Setup in Depth. This will replace the drivers with updated versions.
You should reboot after updating the Guest Additions. If you have a version of the Guest Additions installed on your virtual machine and wish to remove it without installing new ones, you can do so by inserting the Guest Additions CD image into the virtual CD-ROM drive as described above.
Then run the installer for the current Guest Additions with the uninstall parameter from the path that the CD image is mounted on in the guest, as follows:. While this will normally work without issues, you may need to do some manual cleanup of the guest in some cases, especially of the XFree86Config or xorg. In particular, if the Additions version installed or the guest operating system were very old, or if you made your own changes to the Guest Additions setup after you installed them.
They come with an installation program that guides you through the setup process. Mount the VBoxGuestAdditions. If the CD-ROM drive on the guest does not get mounted, as seen with some versions of Oracle Solaris 10, run the following command as root:.
Choose 1 and confirm installation of the Guest Additions package. After the installation is complete, log out and log in to X server on your guest, to activate the X11 Guest Additions.
The Oracle Solaris Guest Additions can be safely removed by removing the package from the guest. Open a root terminal session and run the following command:.
The Guest Additions should be updated by first uninstalling the existing Guest Additions and then installing the new ones. Attempting to install new Guest Additions without removing the existing ones is not possible.
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